File indexing completed on 2024-04-28 04:50:48 

0001 /*
0002  * ensurenopendingoperation.h
0003  *
0004  * Copyright (C) 2011 Christoph Pfister <christophpfister@gmail.com>
0005  *
0006  * This program is free software; you can redistribute it and/or modify
0007  * it under the terms of the GNU General Public License as published by
0008  * the Free Software Foundation; either version 2 of the License, or
0009  * (at your option) any later version.
0010  *
0011  * This program is distributed in the hope that it will be useful,
0012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014  * GNU General Public License for more details.
0015  *
0016  * You should have received a copy of the GNU General Public License along
0017  * with this program; if not, write to the Free Software Foundation, Inc.,
0018  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
0019  */
0020 
0021 #ifndef ENSURENOPENDINGOPERATION_H
0022 #define ENSURENOPENDINGOPERATION_H
0023 
0024 class EnsureNoPendingOperation
0025 {
0026 public:
0027     explicit EnsureNoPendingOperation(bool &hasPendingOperation_) :
0028         hasPendingOperation(hasPendingOperation_)
0029     {
0030         if (hasPendingOperation) {
0031             printFatalErrorMessage();
0032         }
0033 
0034         hasPendingOperation = true;
0035     }
0036 
0037     ~EnsureNoPendingOperation()
0038     {
0039         hasPendingOperation = false;
0040     }
0041 
0042 private:
0043     void printFatalErrorMessage();
0044 
0045     bool &hasPendingOperation;
0046 };
0047 
0048 #endif /* ENSURENOPENDINGOPERATION_H */